react-chess

enter-learn-mode

Switch the app into interactive learning mode, or resume the previous lesson if one was saved by exit-learn-mode. Use before teaching, famous games, piece demos, or quizzes. Disables checkmate so teaching positions can omit kings. Squares MUST be English algebraic: files a–h and ranks 1–8 (e4, f7, h5). Never transliterate squares. Words may be any language. Moves MUST use long algebraic notation (LAN) so hover can draw the arrow from the exact piece: e2-e4, e7-e5, Ng1-f3, Nb8-c6, Bf1-c4. Captures: e4xd5, Bf1xc4. Never write short SAN for a move (not 1.e4, not e5, not Nf3, not Bc4, not Qh5) — that only highlights the destination, as if the piece is unknown. Bare squares (e4, f7) name a location, not a move. Castling may stay O-O / O-O-O. After anything the student should see on the board (coach text, a played line, a demo), call how_to_ask_the_user with no arguments, then follow the returned instructions: render clickable buttons in this chat with your visualization UI. Do not use a numbered list. Do not put the question on the webpage. For a puzzle or exam, call how_to_offer_a_hint, then add-lesson-step with type riddle (question + correct squares). The riddle prompt must not spoil how to solve; the student taps Give me a hint in this chat if they want a nudge.

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